Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635568 | Reactive extrusion process for making mixed salts of polymers containing an anhydride, acid or ester side groups | Krystyna Plochocka, Rajiv Ginde, William E. Prosise | 1997-06-03 |
| 5614583 | Homogenized flowable hydrogel of crosslinked N-vinyl lactam polymer | Susan Y. Tseng, Philip F. Wolf | 1997-03-25 |
| 5605685 | Non-irritating skin and hair rejuvenating compostion having a pH between 1 and 6.5 | Susan Y. Tseng, Michael W. Helioff, H. Karl Krummel, Mary Davis | 1997-02-25 |